From owner-svn-src-all@FreeBSD.ORG Mon Jan 9 12:38:50 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 704BB106564A; Mon, 9 Jan 2012 12:38:50 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id DCF638FC0C; Mon, 9 Jan 2012 12:38:49 +0000 (UTC) Received: from skuns.kiev.zoral.com.ua (localhost [127.0.0.1]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id q09Cckxu099987 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 9 Jan 2012 14:38:46 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5) with ESMTP id q09CckrS052422; Mon, 9 Jan 2012 14:38:46 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5/Submit) id q09Ccksp052421; Mon, 9 Jan 2012 14:38:46 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 9 Jan 2012 14:38:46 +0200 From: Kostik Belousov To: Doug Barton Message-ID: <20120109123846.GT31224@deviant.kiev.zoral.com.ua> References: <201201082306.q08N6rDQ011768@svn.freebsd.org> <4F0AAB6A.7090606@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gSsRJZU0nGhQbl8n" Content-Disposition: inline In-Reply-To: <4F0AAB6A.7090606@FreeBSD.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-3.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r229828 - in head/sys: kern ufs/ufs X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Jan 2012 12:38:50 -0000 --gSsRJZU0nGhQbl8n Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 09, 2012 at 12:55:06AM -0800, Doug Barton wrote: > On 01/08/2012 15:06, Konstantin Belousov wrote: > > Author: kib > > Date: Sun Jan 8 23:06:53 2012 > > New Revision: 229828 > > URL: http://svn.freebsd.org/changeset/base/229828 > >=20 > > Log: > > Avoid LOR between vfs_busy() lock and covered vnode lock on quotaon(). >=20 > Does this mean that if we turn witness back on the ever-present VFS LORs > will no longer be there, or does this only affect calls to quotaon()? vfs_busy() lock is not accounted for by witness, so there shall be no changes in the witness reports. The scenario affected only fired when somebody did quotaon and unmount proceeded in parallel. --gSsRJZU0nGhQbl8n Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk8K39UACgkQC3+MBN1Mb4ij5QCgiG3wzONl8f8nHSJx2LSqxNY5 J/UAnjbomgJFbyIjepMso9xOzo1qpm1h =4q9E -----END PGP SIGNATURE----- --gSsRJZU0nGhQbl8n--